code: def extract_candidate_paths(paths_list_candidate: str) -> Set[Path]:
      return {
          Path(ld_path)
          for ld_path in paths_list_candidate.split(":")
          if ld_path
      }
  
imports: import ctypes
  import os
  import errno
  import torch
  from warnings import warn
  from itertools import product
  from pathlib import Path
  from typing import Set, Union
  from .env_vars import get_potentially_lib_path_containing_env_vars
label_desc: Use image node_id 2 for calling a global function with example usage: extract_candidate_paths(paths_list_candidate) and returns: unknown